Method for fabricating a magnetic recording medium
US5316631A · kind A · utility
11Cited by
7References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1992 |
| Grant date | May 31, 1994 |
| Priority date | — |
| Expiry date | Aug 11, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12931
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium which comprises, on a substrate, a Cr undercoat layer and a Co alloy thin film formed on the substrate in this order. The coercive force of the medium is significantly improved by incorporating oxygen either in the Cr undercoat layer or in the Co alloy thin film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.